Street trading is one of the worst trading because it brings so many things not worthy to think of. This study principally identified the effect of street trading on children in Nnewi South Local Government Area of Anambra State. The instrument for data collection used for this research was questionnaire. The sample size of 212 respondents was used in this study and data collected were analyzed using frequency tables and sample percentages from the analysis of the data, it was found that the effect of street trading in Nnewi South L.G.A. are poverty, lack of education, unemployment.